<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    {{ name }}
    <div>
        {% for item in n2 %}
        <span>{{ item }}</span>
        {% endfor %}
    </div>
    <hr>
    {{ n3 }}
    {{ n3.name }}
    {{ n3.salary }}
    {{ n3.role }}

    <div>
        {% for k, v in n3.items %}
        <li>{{ k }} = {{ v }} </li>
        {% endfor %}
    </div>

    <hr>
    <div>
        {% for item in n4 %}
        <div>{{ item.name }} -- {{ item.age }} -- {{ item.salary }}</div>
        {% endfor %}
    </div>
    <hr>
    {% if name == '林伟' %}
    <div>林伟</div>
    {% elif name == '丁佑强' %}
    <div>丁佑强</div>
    {% else %}
    <div>这不是丁佑强</div>
    {% endif %}

</body>
</html>